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Table 7 EER of heat pump with cold water delivered at 7 °C and condenser in external air

From: Planned energy-efficient retrofitting of a residential building in Italy

 

Frequency [Hz]

T e [°C]

110

90

70

50

30

20

4.78

5.22

5.43

5.34

4.62

25

4.08

4.45

4.63

4.56

3.98

30

3.48

3.8

3.96

3.92

3.45

35

2.97

3.24

3.39

3.36

3.00